The intraexaminer and interexaminer repeatability of the alternate cover test using different prism neutralization endpoints.

@article{Johns2004TheIA,
  title={The intraexaminer and interexaminer repeatability of the alternate cover test using different prism neutralization endpoints.},
  author={Heather A Johns and Ruth E. Manny and Karen D Fern and Ying-Sheng Hu},
  journal={Optometry and vision science : official publication of the American Academy of Optometry},
  year={2004},
  volume={81 12},
  pages={939-46}
}
PURPOSE The alternate cover test (ACT) measures the magnitude of a deviation, but different prism endpoints may be used. This study investigated the intraexaminer and interexaminer repeatability of the ACT using two different prism neutralization endpoints. METHODS To determine repeatability of two prism neutralization endpoints (first neutral and midpoint of reversal), two experienced examiners measured near point phoria on 72 subjects. Measurements were repeated with examiners masked to… CONTINUE READING

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